The younger sister took advantage of her parents' absence to give her older brother aphrodisiac and the ending.

Bracon Rin, who loves her brother, really wants to have sex with her brother, but her brother, who has common sense, does not consider his sister as a sexual object at all. Helpless, the younger sister had no choice but to resort to the last resort of taking aphrodisiacs, and what happened happened, please continue watching the movie.